Proactive information delivery
In information systems, proactive information delivery is a paradigm of supporting users in doing their work by delivering them information related to the current working situation.
Unlike information search process where the user has to initiate the search, PID tries to identify the user's current information need.PID can be used for Just-In-Time learning embedded in working processes.was a prominent tool illustrating the concept of lightweight PID.Classification of PID tools is given in